Coupsil® 6109 by Evonik acts as a reinforcer/ filler in rubber compounds. It is precipitated silica surface-modified with organosilane. It imparts greater tensile strength, higher moduli and reduced... view more

Coupsil® 8113 by Evonik is a reinforcing filler based on precipitated silica, surface modified with organosilane Si 69®. It reacts with unsaturated polymer during vulcanization under formation of... view more

Coupsil® VP 6411 by Evonik acts as a reinforcing filler in rubber compounds. It imparts greater tensile strength, higher moduli, optimized dynamic properties, lower compression set values and better... view more

Coupsil® VP 6508 by Evonik acts as a reinforcing filler. Designed for peroxide-cured rubber compounds where optimum technical properties are required. Imparts greater tensile strength, higher modulus... view more